\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Citizen knowledge index -- Subcomponents}
\begin{tabular}{l*{4}{c}}
\toprule
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                    &\multicolumn{1}{c}{\textbf{\begin{tabular}[c]{@{}c@{}}Citizen\\knowledge\\index\end{tabular}}}&\multicolumn{1}{c}{\begin{tabular}[c]{@{}c@{}}\# of patients\\rights correctly\\named\end{tabular}}&\multicolumn{1}{c}{\begin{tabular}[c]{@{}c@{}}\# of patients\\resp. correctly\\named\end{tabular}}&\multicolumn{1}{c}{\begin{tabular}[c]{@{}c@{}}\# of HC services\\correctly named\end{tabular}}\\
\midrule
Full treatment      &      -0.056** &      -0.094***&      -0.118***&       0.042   \\
                    &     (0.023)   &     (0.028)   &     (0.032)   &     (0.037)   \\
Constant            &      -0.009   &      -0.009   &      -0.015   &      -0.003   \\
                    &     (0.016)   &     (0.019)   &     (0.024)   &     (0.023)   \\
\midrule
N                   &       7,288   &       7,288   &       7,288   &       7,288   \\
R$^{2}$             &       0.205   &       0.091   &       0.166   &       0.286   \\
Adjusted p-value (FT)&       0.104   &       0.001   &       0.001   &       0.246   \\
\bottomrule
\end{tabular}
\end{table}
